<html>
<head>
<script>

function boom()
{
  document.getElementById("a").style.clear = "right";
}

</script>
</head>

<body onload="boom();">

<div style="display: table;">
  <div id="a">a</div>
  <div id="b" style="height: 18000000px;">b</div>
  <div id="c">c c c</div>
</div>

</body>
</html>
